/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */
package org.netbeans.modules.php.project.connections.sync;

import java.util.ArrayList;
import java.util.Collections;
import java.util.LinkedHashMap;
import java.util.List;
import java.util.Map;
import org.netbeans.modules.php.project.connections.transfer.TransferFile;

/**
 * Holder for sync items.
 */
public final class SyncItems {

    // @GuardedBy(itemsByPath)
    private final Map<String, SyncItem> itemsByPath = new LinkedHashMap<>();


    public SyncItems() {
    }

    public void add(TransferFile remoteTransferFile, TransferFile localTransferFile, long lastTimestamp) {
        String remotePath = remoteTransferFile != null ? remoteTransferFile.getRemotePath() : localTransferFile.getRemotePath();
        synchronized (itemsByPath) {
            itemsByPath.put(remotePath, new SyncItem(this, remoteTransferFile, localTransferFile, lastTimestamp));
        }
    }

    public List<SyncItem> getItems() {
        synchronized (itemsByPath) {
            return Collections.synchronizedList(new ArrayList<>(itemsByPath.values()));
        }
    }

    public SyncItem getByRemotePath(String remotePath) {
        synchronized (itemsByPath) {
            return itemsByPath.get(remotePath);
        }
    }

    public void cleanup() {
        synchronized (itemsByPath) {
            for (SyncItem syncItem : itemsByPath.values()) {
                syncItem.cleanupTmpLocalFile();
            }
        }
    }

}
